From 3f532f54897d300e17d35630d3d6ba15a719bd27 Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Mon, 6 Mar 2006 15:14:23 -0500
Subject: ENH: add support for language flags at rule expansion time

---
 Modules/CMakeCInformation.cmake             | 2 +-
 Modules/CMakeCXXInformation.cmake           | 2 +-
 Modules/CMakeFortranInformation.cmake       | 2 +-
 Modules/Platform/CYGWIN.cmake               | 8 ++++----
 Source/cmLocalGenerator.cxx                 | 4 ++++
 Source/cmLocalGenerator.h                   | 1 +
 Source/cmMakefileLibraryTargetGenerator.cxx | 6 +++++-
 7 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/Modules/CMakeCInformation.cmake b/Modules/CMakeCInformation.cmake
index 6f9e995..242d796 100644
--- a/Modules/CMakeCInformation.cmake
+++ b/Modules/CMakeCInformation.cmake
@@ -86,7 +86,7 @@ INCLUDE(CMakeCommonLanguageInclude)
 # create a C shared library
 IF(NOT CMAKE_C_CREATE_SHARED_LIBRARY)
   SET(CMAKE_C_CREATE_SHARED_LIBRARY
-      "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_C_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+      "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_C_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
 ENDIF(NOT CMAKE_C_CREATE_SHARED_LIBRARY)
 
 # create a C shared module just copy the shared library rule
diff --git a/Modules/CMakeCXXInformation.cmake b/Modules/CMakeCXXInformation.cmake
index 60a30f8..6e16e4a 100644
--- a/Modules/CMakeCXXInformation.cmake
+++ b/Modules/CMakeCXXInformation.cmake
@@ -137,7 +137,7 @@ INCLUDE(CMakeCommonLanguageInclude)
 # create a shared C++ library
 IF(NOT CMAKE_CXX_CREATE_SHARED_LIBRARY)
   SET(CMAKE_CXX_CREATE_SHARED_LIBRARY
-      "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+      "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
 ENDIF(NOT CMAKE_CXX_CREATE_SHARED_LIBRARY)
 
 # create a c++ shared module copy the shared library rule by default
diff --git a/Modules/CMakeFortranInformation.cmake b/Modules/CMakeFortranInformation.cmake
index b340019..9dd0649 100644
--- a/Modules/CMakeFortranInformation.cmake
+++ b/Modules/CMakeFortranInformation.cmake
@@ -102,7 +102,7 @@ INCLUDE(CMakeCommonLanguageInclude)
 # create a Fortran shared library
 IF(NOT CMAKE_Fortran_CREATE_SHARED_LIBRARY)
   SET(CMAKE_Fortran_CREATE_SHARED_LIBRARY
-      "<CMAKE_Fortran_COMPILER> <CMAKE_SHARED_LIBRARY_Fortran_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_Fortran_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_Fortran_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+      "<CMAKE_Fortran_COMPILER> <CMAKE_SHARED_LIBRARY_Fortran_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_Fortran_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_Fortran_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
 ENDIF(NOT CMAKE_Fortran_CREATE_SHARED_LIBRARY)
 
 # create a Fortran shared module just copy the shared library rule
diff --git a/Modules/Platform/CYGWIN.cmake b/Modules/Platform/CYGWIN.cmake
index 5cd1a55..5419527 100644
--- a/Modules/Platform/CYGWIN.cmake
+++ b/Modules/Platform/CYGWIN.cmake
@@ -19,12 +19,12 @@ SET(CMAKE_FIND_LIBRARY_PREFIXES "cyg" "lib")
 SET(CMAKE_FIND_LIBRARY_SUFFIXES ".dll" ".dll.a" ".a")
 
 SET(CMAKE_C_CREATE_SHARED_MODULE
-  "<CMAKE_C_COMPILER> <CMAKE_SHARED_MODULE_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_MODULE_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+  "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_MODULE_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
 SET(CMAKE_CXX_CREATE_SHARED_MODULE
-  "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_MODULE_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+  "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
 
 SET(CMAKE_C_CREATE_SHARED_LIBRARY
-  "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> <OBJECTS> <LINK_LIBRARIES>")
+  "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> <OBJECTS> <LINK_LIBRARIES>")
 SET(CMAKE_CXX_CREATE_SHARED_LIBRARY
-  "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> <OBJECTS> <LINK_LIBRARIES>")
+  "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> <OBJECTS> <LINK_LIBRARIES>")
 INCLUDE(Platform/UnixPaths)
diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 032e57d..107404c 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -604,6 +604,10 @@ cmLocalGenerator::ExpandRuleVariable(std::string const& variable,
         return targetQuoted;
         }
       }
+    if(variable == "LANGUAGE_COMPILE_FLAGS")
+      {
+      return replaceValues.LanguageCompileFlags;
+      }
     if(variable == "TARGET")
       {
       return replaceValues.Target;
diff --git a/Source/cmLocalGenerator.h b/Source/cmLocalGenerator.h
index d28917a..0323913 100644
--- a/Source/cmLocalGenerator.h
+++ b/Source/cmLocalGenerator.h
@@ -196,6 +196,7 @@ public:
     const char* TargetSOName;
     const char* TargetInstallNameDir;
     const char* LinkFlags;
+    const char* LanguageCompileFlags;
   };
 
 protected:
diff --git a/Source/cmMakefileLibraryTargetGenerator.cxx b/Source/cmMakefileLibraryTargetGenerator.cxx
index a5b6154..ade1696 100644
--- a/Source/cmMakefileLibraryTargetGenerator.cxx
+++ b/Source/cmMakefileLibraryTargetGenerator.cxx
@@ -431,7 +431,11 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules
       vars.TargetInstallNameDir = install_name_dir.c_str();
       }
     }
-
+  std::string langFlags;
+  this->LocalGenerator
+    ->AddLanguageFlags(langFlags, linkLanguage,
+                       this->LocalGenerator->m_ConfigurationName.c_str());
+  vars.LanguageCompileFlags = langFlags.c_str();
   // Expand placeholders in the commands.
   this->LocalGenerator->m_TargetImplib = targetOutPathImport;
   for(std::vector<std::string>::iterator i = commands.begin();
-- 
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